.main-area {
    width: 100%;
    height: 100%;
    display: flex;
}

.area-left {
    width: 150px;
    height: 100%;
    background: #93dde7;
}

.area-right {
    flex: 1;
    display: flex;
    margin-top: 10px;
    text-align: center;
    flex-wrap: wrap;
}

.area-right li {
    width: 45%;
    height: 150px;
    border: 1px solid red;
}

.area-right li p {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    color: #171ae6;
}

.cate-list {
    width: 100%;
    height: 100%;
    padding-left: 10px;
    padding-top: 10px;
}

.cate-list li {
    font-size: 20px;
    margin-top: 5px;
    /* border: 1px solid red; */
}

.change_back {
    background: rgb(7, 208, 243);
    color: white;
    font-weight: 700;
}